Leaderboard · market value

Public roofs ranked by what their injected energy was worth per kWp at the hour of injection, and by the share injected at negative prices — per county, month and year.

Value per kWp Least negative-price injection

Month Year

September 2026

CT

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	constanta-sun	9.8	974 kWh	48 lei	6 %
2	mamaia-kwp	5.5	473 kWh	42 lei	4 %

IS

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	iasi-verde	6.6	580 kWh	44 lei	5 %

B

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	berceni-solar	6.0	535 kWh	43 lei	6 %
2	pipera-roof	10.4	725 kWh	37 lei	5 %
3	bloc-sector6	3.2	213 kWh	34 lei	6 %

BV

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	acoperis-bv	4.0	344 kWh	42 lei	6 %

BH

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	oradea-watt	4.8	390 kWh	41 lei	6 %

CJ

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	floresti-pv	4.0	305 kWh	40 lei	5 %
2	casa-cluj	5.2	392 kWh	37 lei	6 %
3	cluj-hybrid	8.8	597 kWh	36 lei	5 %

TM

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	dumbravita-pv	4.4	338 kWh	40 lei	5 %
2	solar-timis	8.0	526 kWh	33 lei	6 %

PH

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	prahova-solar	7.2	504 kWh	34 lei	6 %

DJ

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	ferma-dolj	14.8	884 kWh	29 lei	6 %

County not set

#	Roof	kWp	Injected	Value / kWp	Negative-price share
1	Flo1	46.4	106 kWh	1 lei	8 %

Source: ENTSO-E Transparency Platform / OPCOM; BNR exchange rate. · JSON API